I dont get many problems with Steam, however when I do, I usually share on my blog, and the solution or work around; this one “Error verifying STEAM UserID ticket” is pretty easy to take care of.
Simply open up my computer, go to
Sometimes this error comes up because you signed into steam at a friends place and forgot to sign out. However beyond that I’m not to sure. This also fixes the platform error problem other people got in the past.